package chapter5;

/**
 * 用字符生成器，在后面追加0-9这10个数字
 */
public class Test5_9_4 {
    public static void main(String[] args) {
        StringBuilder builder = new StringBuilder();
        for(int i = 0; i < 10 ; i++){
            builder.append(i);
        }
        System.out.println(builder.toString());
    }
}
